The most reasonably priced component used on the F115tlrz/txrz - Lf115txrz 2001 Generator is the Washer(6a1).
On this parts fiche the Bolt(6u2) is the most specified component.
A sample from the products for the Generator include: Stator Assy, Collar (6g8), Nut(61a), Plate, Timing.